{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["country of capital", "neighborhood of"], "input": "Douglas Brinkley , a historian at Tulane University in New Orleans , said he believed that Mr. Nagin thought that '' Chocolate City , '' the title of a song by Parliament , the pioneering funk band , '' was a code word that would tap into getting African-American support . ''"}
{"country of capital": [], "neighborhood of": []}